A group of British mathematicians Where in the story does it say that these people are mathematicians? Sure, they may do mathematics, but there is no evidence one way or another that their job is to do maths.

have hit on some kind of secret formula for playing the lotto Where in the story does it say that they have "some kind of secret formula"? It says that they tried a particular heuristic they apparently won the jackpot (assuming that it refers to the most recent drawing on Saturday, whose jackpot of 5.3M GBP = the 13M AUD in the article.

and are raking in millions They won once. That's hardly raking in the millions, any more than someone who puts in 6 randomly chosen numbers and wins the jackpot 'rakes in the millions'.

So, the facts: syndicate of people who work at Bradford Uni plays the lottery every week for eight years, using a particular system for four years wins the lottery once. Not particularly newsworthy, and certainly not worth the screaming hype and spin from BB.

Lastly, from the original article: "Most of us believe winning lotto is down to the luck of the draw. But a syndicate of university professors and tutors in Britain thought it could also be related to the principles of mathematical probability. "